Abstract:The effect of light intensity and quality on the population and community dynamics was researcherd in series. In this study the original benthic algae community was transferred into experiment room by using special technique detailed in the text. The algae community which was colonized on the bottom of estuary was composed of 3 algal phyla, benthic Bacillariophyta with 93.33% of cell totals in the community (of 21 spesies), benthic Chlorophyta with 5.24% of cell totals (of 7 spieses) and Cyanophyta with 1.2...